Grodan® Gro-Block™ 1.5" Mini-Blocks™ (45 Blocks/Pack) Co2 Controllers The General Hydroponics pH Test

The General Hydroponics pH Test Indicator can help you maintain an ideal pH level (which is between 5

ATTENTION: B-52® is completely compatible with all pH Perfect Base Nutrients as well as with all non pH Perfect Base Nutrients and supplements and all competitors Base Nutrients and supplements

Effective to remove mineral buildup (scale) in growing media and irrigation lines

Industrial strength zippers

It is formulated with an essential plant hormone that promotes rapid root generation and growth

Grodan® Gro-Block™ 1.5" Mini-Blocks™ (45 Blocks/Pack) Co2 Controllers The General Hydroponics pH TestGrodan Gro Block, 1. 5" Mini Blocks, MM 40 40, Mini Seed Starting Block for Plant Propagation, 45 Blocks per pack, Wrapped Mini Blocks 1. 5 in x 1. 5 in x 1. 5 in (3 Strips of 15 or 45 ct) Block for effortless start up of propagation Excellent root growth throughout the block Greater firmness for more manual handling Grodan Starter Mini Blocks sit in a tray (flat) without support for easy starting of seeds and cuttings. These Mini Blocks are